YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | x | ----- | z | 0.00 | l |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | m | 3.39 | 2.23 | 1.67 | 1.01 | 0.25 | 1.56 | 10.11 | f | ||||||
1912 | 0.00 | 2.05 | 0.38 | 0.20 | x | 3.05 | 1.07 | 0.78 | 6.26 | 3.72 | ----- | z | 0.00 | 0.07 | 17.38 | b | ||||||||||
1913 | 0.21 | 0.82 | 0.04 | 1.61 | 0.12 | 5.39 | 1.62 | 1.62 | 1.69 | 0.76 | 0.91 | 1.16 | 15.95 | |||||||||||||
1914 | 0.00 | 0.04 | 0.04 | 2.33 | 6.59 | 1.23 | 1.95 | 1.71 | 0.84 | 3.40 | 0.35 | 0.40 | 18.88 | |||||||||||||
1915 | 0.25 | 1.01 | 1.38 | 6.77 | 0.54 | 1.41 | 3.81 | 2.85 | 5.74 | 1.38 | 0.22 | 1.53 | 26.89 | |||||||||||||
1916 | 0.44 | 0.00 | 0.45 | 2.14 | 0.40 | 0.93 | 0.57 | 7.45 | 2.37 | 2.04 | 0.04 | a | 0.86 | 17.69 | ||||||||||||
1917 | 0.44 | 0.06 | 0.07 | 0.57 | 1.13 | 0.00 | 2.35 | 1.77 | 1.10 | 0.00 | 0.07 | 0.00 | 7.56 | |||||||||||||
1918 | 0.25 | 0.06 | 0.20 | a | 0.95 | 1.10 | b | 1.54 | 2.66 | 2.50 | 1.36 | 2.99 | 0.70 | 1.18 | 15.49 | |||||||||||
1919 | 0.13 | 0.00 | 2.71 | 2.93 | 3.00 | 1.98 | 2.88 | 0.52 | 4.97 | 1.51 | 0.58 | 0.42 | 21.63 | |||||||||||||
1920 | 0.65 | 0.11 | 0.38 | 0.01 | 1.71 | 4.30 | 1.60 | a | 6.11 | 1.20 | 0.94 | 0.59 | 0.10 | 17.70 | ||||||||||||
1921 | 1.33 | 0.37 | 0.20 | 0.00 | 1.98 | 5.85 | 6.98 | 0.99 | 2.27 | 0.00 | 0.00 | a | 0.00 | 19.97 | ||||||||||||
1922 | 0.08 | 0.12 | 0.66 | 3.68 | 1.17 | 4.97 | a | 0.54 | 1.82 | 0.27 | 0.00 | 0.50 | 0.00 | 13.81 | ||||||||||||
1923 | 0.00 | 1.39 | 1.70 | 2.86 | 0.82 | 12.31 | 0.99 | 1.25 | 1.85 | 9.93 | 1.66 | 1.30 | 36.06 | |||||||||||||
1924 | 0.05 | 0.37 | 0.77 | 0.23 | 0.65 | 1.89 | 1.88 | 2.82 | 1.12 | 1.00 | 0.40 | 0.13 | 11.31 | |||||||||||||
1925 | 0.04 | 0.00 | 0.00 | 0.24 | 1.25 | 2.42 | 3.44 | 4.78 | 3.57 | 1.13 | 0.05 | 0.07 | 16.99 | |||||||||||||
1926 | 0.13 | 0.00 | 3.10 | 2.46 | 3.89 | 1.92 | 1.32 | 3.23 | 2.99 | 1.47 | 0.34 | 1.08 | 21.93 | |||||||||||||
1927 | 0.08 | 0.31 | 0.00 | 0.14 | 0.24 | 2.79 | 2.31 | 4.20 | 3.94 | 0.11 | 0.00 | 0.24 | 14.36 | |||||||||||||
1928 | 0.00 | 1.03 | 0.00 | 0.10 | 4.61 | 2.38 | 5.21 | 3.91 | 0.25 | 4.60 | 0.68 | 0.52 | 23.29 | |||||||||||||
1929 | 0.00 | 0.25 | 1.27 | 0.10 | 3.06 | 1.26 | 0.76 | 1.65 | 1.49 | 1.83 | 0.81 | 0.00 | 12.48 | |||||||||||||
1930 | 0.31 | 0.00 | 0.48 | 2.42 | 1.05 | 2.03 | 8.48 | 1.66 | 1.74 | 1.19 | 0.80 | 0.56 | 20.72 | |||||||||||||
1931 | 1.46 | 0.52 | 0.62 | 3.09 | 1.06 | 0.60 | 3.06 | 3.62 | a | 3.41 | 0.70 | 1.68 | 1.15 | 20.97 | ||||||||||||
1932 | 0.57 | 0.49 | 0.32 | 1.17 | 2.45 | 4.00 | 1.27 | 7.38 | 3.83 | 0.46 | 0.00 | 0.86 | 22.80 | |||||||||||||
1933 | 1.04 | 0.54 | 0.21 | 0.00 | 2.03 | 0.29 | 2.81 | 3.30 | 1.85 | 0.08 | 0.11 | 0.00 | 12.26 | |||||||||||||
1934 | 0.00 | 0.32 | 0.97 | 1.73 | 0.93 | 1.53 | 2.19 | 1.30 | 0.67 | 0.69 | 1.36 | 0.08 | 11.77 | |||||||||||||
1935 | 0.16 | 0.03 | 0.27 | 0.03 | 4.02 | 3.82 | 2.56 | 2.05 | 0.45 | 0.00 | 1.87 | 0.22 | 15.48 | |||||||||||||
1936 | 0.80 | 0.10 | 0.00 | 0.00 | 7.00 | 1.98 | 0.69 | 0.61 | 6.88 | a | 0.99 | 0.00 | 0.30 | 19.35 | ||||||||||||
1937 | 0.11 | 0.24 | 1.40 | 0.20 | 5.05 | 3.76 | 2.04 | 1.03 | 4.17 | 1.69 | a | 0.00 | 0.58 | 20.27 | ||||||||||||
1938 | 0.52 | 0.95 | 0.96 | 0.00 | 0.98 | 3.45 | 3.66 | 1.23 | 3.46 | 5.00 | 0.00 | 0.11 | a | 20.32 | ||||||||||||
1939 | 1.86 | a | 0.10 | 0.54 | 0.50 | 2.11 | 1.16 | 0.90 | 4.62 | 0.28 | 1.23 | 0.33 | 0.94 | 14.57 | ||||||||||||
1940 | 0.26 | 0.31 | 0.00 | 0.95 | 2.62 | 1.01 | 0.45 | 1.51 | 0.48 | 0.86 | 1.76 | 0.11 | a | 10.32 | ||||||||||||
1941 | 0.35 | 0.25 | 2.48 | 3.43 | 11.87 | 8.57 | 4.60 | 2.02 | 6.79 | 5.96 | 0.16 | 0.43 | 46.91 | |||||||||||||
1942 | 0.00 | 0.59 | c | 0.03 | 2.64 | 0.79 | 1.30 | 1.87 | 7.01 | 0.64 | 6.27 | 0.00 | 1.19 | 22.33 | ||||||||||||
1943 | 0.00 | 0.00 | 0.00 | 0.10 | 1.01 | 0.48 | 0.91 | 0.89 | 0.87 | 0.10 | 0.60 | 2.62 | 7.58 | |||||||||||||
1944 | 0.20 | 0.52 | 0.00 | 1.12 | 1.48 | 2.51 | 0.86 | 3.11 | 2.03 | 0.61 | 0.69 | 1.06 | 14.19 | |||||||||||||
1945 | 0.59 | 0.26 | 0.17 | 0.16 | 0.33 | 0.00 | 2.79 | 1.48 | 3.02 | 0.69 | 0.00 | 0.04 | 9.53 | |||||||||||||
1946 | 0.64 | 0.09 | 0.16 | 0.66 | 0.31 | 1.16 | 1.77 | 2.39 | 2.88 | 5.16 | 0.53 | 0.41 | 16.16 | |||||||||||||
1947 | 0.65 | 0.09 | 0.56 | 1.32 | 3.23 | 0.06 | 0.65 | j | 2.36 | 0.24 | 0.42 | 0.76 | 1.06 | 10.75 | a | |||||||||||
1948 | 0.37 | 1.25 | 0.28 | 0.25 | 1.04 | 2.59 | 1.32 | 3.47 | 0.48 | 0.27 | 0.58 | 0.21 | 12.11 | |||||||||||||
1949 | 1.23 | 0.65 | 0.29 | 0.52 | 5.58 | 5.29 | 2.07 | 3.82 | 1.53 | 2.44 | 0.13 | 0.57 | 24.12 | |||||||||||||
1950 | 0.00 | 0.02 | 0.00 | 0.41 | 0.83 | 3.46 | 8.96 | 2.31 | 1.80 | 0.97 | 0.00 | 0.05 | 18.81 | |||||||||||||
1951 | 0.70 | 0.74 | 0.19 | 0.12 | 3.52 | 2.31 | 1.86 | 1.09 | 0.20 | 1.86 | 0.38 | 0.57 | 13.54 | |||||||||||||
1952 | 0.54 | 0.29 | 0.26 | 3.06 | 0.37 | 2.13 | 2.18 | 1.00 | 0.85 | 0.00 | 1.25 | 0.40 | 12.33 | |||||||||||||
1953 | 0.68 | 0.29 | 0.71 | 1.09 | 1.09 | 0.03 | 2.82 | 3.23 | 0.00 | 1.61 | 0.37 | 0.30 | 12.22 | |||||||||||||
1954 | 0.22 | 0.62 | 0.10 | 0.86 | 1.34 | 1.06 | 0.50 | 6.13 | 0.14 | 3.65 | 0.02 | 0.22 | 14.86 | |||||||||||||
1955 | 0.30 | 0.00 | 0.01 | 0.80 | 2.10 | 2.66 | 4.37 | 0.58 | 1.49 | 0.43 | 0.02 | 0.03 | 12.79 | |||||||||||||
1956 | 0.08 | 1.32 | 0.00 | 0.26 | 2.87 | 2.10 | 1.29 | 0.55 | 0.41 | 1.21 | 0.00 | 0.00 | 10.09 | |||||||||||||
1957 | 0.15 | 0.49 | 1.66 | 1.08 | 5.05 | 0.06 | 0.36 | 3.51 | 5.26 | 3.00 | 0.74 | 0.00 | 21.36 | |||||||||||||
1958 | 1.39 | 0.12 | 1.88 | 1.36 | 1.50 | 2.60 | 2.68 | 1.83 | 6.72 | 1.01 | 0.51 | 0.27 | 21.87 | |||||||||||||
1959 | 0.05 | 0.12 | 0.23 | 0.37 | 1.53 | 6.09 | 3.86 | 2.64 | 0.25 | 2.48 | 0.07 | 2.18 | 19.87 | |||||||||||||
1960 | 1.58 | 1.07 | 0.32 | 0.26 | 1.25 | 2.88 | a | 13.44 | 1.18 | 1.85 | 6.76 | 0.00 | 1.70 | 32.29 | ||||||||||||
1961 | 0.56 | 0.47 | 2.21 | 0.10 | 1.32 | 2.31 | 2.83 | 3.46 | 1.56 | 0.94 | 2.32 | 0.80 | 18.88 | |||||||||||||
1962 | 0.84 | 0.45 | 0.49 | 0.38 | 0.29 | 0.82 | 6.08 | 0.39 | 2.93 | 1.08 | 0.43 | 0.39 | 14.57 | |||||||||||||
1963 | 0.05 | 0.86 | 0.04 | 0.14 | 2.47 | 6.16 | 3.44 | 2.76 | 1.38 | 0.32 | 0.41 | 0.20 | 18.23 | |||||||||||||
1964 | 0.08 | 1.08 | 0.43 | 0.00 | 0.77 | 4.35 | 0.13 | 0.45 | 2.56 | 0.06 | 1.70 | 0.45 | 12.06 | |||||||||||||
1965 | 0.06 | 0.53 | 0.59 | 0.56 | 1.72 | 3.03 | 1.46 | 2.27 | 1.36 | 0.43 | 0.00 | 0.59 | 12.60 | |||||||||||||
1966 | 0.55 | 0.08 | 0.00 | 0.63 | 0.72 | 2.63 | 0.77 | 5.84 | 0.84 | 0.09 | 0.47 | 0.09 | 12.71 | |||||||||||||
1967 | 0.00 | 0.10 | 0.48 | 0.07 | 0.29 | 5.63 | 3.92 | 2.50 | 1.30 | 0.12 | 0.09 | 0.83 | 15.33 | |||||||||||||
1968 | 1.76 | 0.42 | 1.23 | 0.12 | 1.58 | 0.75 | 1.54 | 3.25 | 1.06 | 0.19 | 0.62 | 0.20 | 12.72 | |||||||||||||
1969 | 0.00 | 0.84 | 0.92 | 1.43 | 5.57 | 1.09 | 2.65 | 1.67 | 3.38 | 5.40 | 0.33 | 1.02 | 24.30 | |||||||||||||
1970 | 0.00 | 0.12 | 0.81 | 0.60 | 0.53 | 3.74 | 4.08 | 1.74 | 2.90 | 0.71 | 0.01 | 0.03 | 15.27 | |||||||||||||
1971 | 0.00 | 0.20 | 0.10 | 1.25 | 1.12 | 2.17 | 1.53 | 4.16 | 2.04 | 1.19 | 1.71 | 1.02 | 16.49 | |||||||||||||
1972 | 0.09 | 0.17 | 0.00 | 0.00 | 1.97 | 2.38 | 2.54 | 2.98 | 2.51 | 2.00 | 1.09 | 0.73 | 16.46 | |||||||||||||
1973 | 0.56 | 0.64 | 2.09 | 2.32 | 1.16 | 2.01 | 5.69 | 0.43 | 1.86 | 0.92 | 0.08 | 0.15 | 17.91 | |||||||||||||
1974 | 0.66 | 0.11 | 0.92 | 0.00 | 0.18 | 1.92 | 2.69 | 6.09 | 2.40 | 5.64 | 0.43 | 0.47 | 21.51 | |||||||||||||
1975 | 0.12 | 1.14 | 0.39 | 1.45 | 0.87 | 1.03 | 5.11 | 1.31 | 1.86 | 0.00 | 0.68 | 0.13 | 14.09 | |||||||||||||
1976 | 0.05 | 0.37 | 0.20 | 0.98 | 1.43 | 2.13 | 1.47 | 6.26 | 4.25 | 0.30 | 0.31 | 0.00 | 17.75 | |||||||||||||
1977 | 0.21 | 0.48 | 0.33 | 2.50 | 4.23 | 1.65 | 0.60 | 5.44 | 0.27 | 1.21 | 0.18 | 0.19 | 17.29 | |||||||||||||
1978 | 0.57 | ----- | z | 0.26 | 1.62 | 1.84 | 3.26 | 0.93 | 2.12 | 1.15 | 0.59 | 2.20 | 0.31 | 14.85 | a | |||||||||||
1979 | 1.02 | ----- | z | ----- | z | 1.18 | 2.53 | 4.97 | 2.05 | 4.46 | 1.16 | 0.24 | 0.21 | 0.53 | 18.35 | b | ||||||||||
1980 | 0.45 | 0.76 | 0.50 | 0.18 | 3.02 | 0.07 | 0.88 | 1.24 | 2.29 | 0.10 | 0.83 | 0.30 | 10.62 | |||||||||||||
1981 | ----- | z | 0.23 | 1.04 | 1.14 | 2.33 | 2.46 | 4.15 | 5.52 | 2.13 | 2.78 | 1.09 | 0.00 | 22.87 | a | |||||||||||
1982 | 0.04 | 0.65 | 0.18 | 1.02 | 1.15 | 2.40 | 5.33 | 1.93 | a | 1.14 | 0.91 | 0.93 | 1.07 | a | 16.75 | |||||||||||
1983 | 1.12 | 0.65 | 0.59 | 0.80 | 0.83 | 1.76 | 0.79 | 0.93 | 0.59 | 3.50 | 0.33 | 0.22 | a | 12.11 | ||||||||||||
1984 | 0.29 | 0.00 | 0.18 | 0.82 | 4.43 | 5.56 | 2.96 | 6.17 | 0.46 | 4.18 | 1.37 | 0.81 | 27.23 | |||||||||||||
1985 | 0.31 | 0.08 | 2.54 | 1.31 | 2.94 | 2.66 | 1.75 | 3.47 | 4.49 | 3.14 | 0.07 | 0.20 | 22.96 | |||||||||||||
1986 | 0.00 | 0.70 | b | 0.07 | 0.22 | 2.15 | 5.27 | 1.15 | 3.59 | 3.60 | 2.89 | 2.72 | 1.90 | 24.26 | ||||||||||||
1987 | 0.29 | 1.18 | 0.18 | 1.33 | 2.73 | 3.52 | 1.99 | a | 7.52 | 2.95 | 0.72 | 0.01 | 1.86 | 24.28 | ||||||||||||
1988 | 0.05 | 0.10 | 0.36 | b | 0.62 | 3.38 | s | 4.40 | 3.39 | 0.82 | 4.23 | 0.04 | 0.16 | 0.98 | 15.15 | a | ||||||||||
1989 | 0.25 | 0.64 | 0.22 | 0.09 | 0.29 | 5.08 | 1.47 | 3.62 | 2.43 | 0.05 | 0.00 | 0.73 | 14.87 | |||||||||||||
1990 | 1.57 | 1.45 | 0.19 | 1.58 | 0.15 | 0.00 | 2.91 | 2.21 | 3.62 | 0.34 | 1.26 | 0.37 | 15.65 | |||||||||||||
1991 | 0.91 | 0.12 | 1.05 | 0.00 | 0.98 | 1.63 | 7.24 | 2.25 | 4.03 | 0.31 | 1.48 | 3.17 | 23.17 | |||||||||||||
1992 | 1.25 | 0.25 | 0.65 | 0.97 | 4.16 | 5.42 | 2.25 | 3.66 | 3.11 | 0.24 | 0.67 | 0.74 | 23.37 | |||||||||||||
1993 | 0.98 | 0.24 | 0.35 | 0.26 | 1.61 | 1.83 | 3.30 | 2.60 | 1.14 | 1.25 | 0.54 | 0.40 | 14.50 | |||||||||||||
1994 | 0.11 | 0.01 | 1.42 | 0.81 | 4.26 | 1.71 | 2.91 | 1.82 | 1.13 | ----- | z | 0.46 | 0.41 | 15.05 | a | |||||||||||
1995 | 0.55 | 0.02 | ----- | z | 0.26 | 4.92 | 1.81 | 0.52 | 3.29 | 4.03 | 1.50 | 0.00 | 0.42 | 17.32 | a | |||||||||||
1996 | 0.11 | 0.23 | 0.00 | 0.00 | 0.45 | 3.24 | 2.69 | 10.53 | 1.72 | 1.17 | 0.65 | 0.04 | 20.83 | |||||||||||||
1997 | 0.82 | 0.66 | 0.07 | 5.21 | 0.75 | 2.52 | 1.97 | 2.92 | 1.83 | 1.63 | 0.60 | 2.65 | 21.63 | |||||||||||||
1998 | 0.00 | 0.50 | 1.20 | 1.05 | 0.14 | 0.27 | 1.32 | 0.63 | 0.22 | 7.17 | 1.08 | 0.20 | 13.78 | |||||||||||||
1999 | 1.77 | 0.00 | 1.95 | 1.33 | 3.24 | 3.19 | 2.46 | 3.35 | 2.44 | 0.42 | 0.02 | 0.42 | 20.59 | |||||||||||||
2000 | 0.01 | 0.02 | 1.87 | 0.64 | 0.05 | 2.39 | 3.22 | ----- | z | 0.00 | 6.63 | 1.17 | 0.84 | 16.84 | a | |||||||||||
2001 | 1.46 | 0.36 | 2.31 | 0.05 | 2.11 | 1.10 | 2.02 | 2.57 | 2.25 | 0.52 | 2.05 | 0.34 | 17.14 | |||||||||||||
2002 | 0.59 | 0.03 | 1.31 | 0.40 | 0.05 | 0.96 | 1.88 | 5.08 | 1.68 | 2.73 | 0.59 | 1.19 | 16.49 | |||||||||||||
2003 | 0.00 | 0.32 | 0.46 | 0.07 | 1.11 | 5.97 | 0.00 | 1.54 | e | 1.84 | 1.12 | 0.33 | 0.05 | 12.81 | ||||||||||||
2004 | 0.26 | 1.46 | 1.76 | 3.27 | 0.97 | 1.81 | 4.20 | 2.95 | 4.17 | 4.06 | 3.48 | 0.44 | a | 28.83 | ||||||||||||
2005 | 1.33 | 0.72 | 1.81 | 0.75 | 1.73 | 0.54 | 1.77 | 5.55 | 1.21 | 1.56 | 0.00 | 0.03 | 17.00 | |||||||||||||
2006 | 0.03 | 0.07 | 1.31 | 0.39 | 0.68 | 1.64 | 2.02 | 4.78 | 1.32 | 1.44 | 0.18 | 1.74 | 15.60 | |||||||||||||
2007 | 1.00 | b | 0.37 | 3.19 | 0.37 | 3.78 | 3.31 | 1.14 | 0.70 | 1.48 | e | 0.04 | 0.26 | 1.02 | 16.66 | |||||||||||
2008 | 0.05 | m | 0.00 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.61 | 0.71 | 0.57 | 0.70 | 0.11 | 4.70 | g | |||||
2011 | 0.00 | 1.31 | 0.05 | h | 0.03 | a | 0.00 | 1.08 | 0.18 | h | 1.76 | 0.92 | 0.53 | m | ----- | z | ----- | z | 5.10 | e | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.45 | 0.44 | 0.71 | 1.01 | 2.01 | 2.58 | 2.59 | 2.96 | 2.09 | 1.71 | 0.60 | 0.61 | 17.85 | |||||||||||||
S.D. | 0.50 | 0.43 | 0.78 | 1.19 | 1.88 | 2.00 | 2.07 | 1.97 | 1.57 | 1.96 | 0.68 | 0.64 | 6.12 | |||||||||||||
SKEW | 1.16 | 1.24 | 1.35 | 2.10 | 2.09 | 1.67 | 2.28 | 1.13 | 1.04 | 1.79 | 1.68 | 1.66 | 1.62 | |||||||||||||
MAX | 1.86 | 2.05 | 3.19 | 6.77 | 11.87 | 12.31 | 13.44 | 10.53 | 6.88 | 9.93 | 3.48 | 3.17 | 46.91 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 0.00 | 0.00 | 0.00 | 0.00 | 7.56 | |||||||||||||
YRS | 96 | 95 | 94 | 96 | 96 | 97 | 96 | 98 | 99 | 96 | 98 | 98 | 87 |